<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="视频分类" prop="videoType">
        <el-select v-model="queryParams.videoType" placeholder="请选择视频分类" clearable size="small">
          <el-option
            v-for="dict in videoTypeOptions"
            :key="dict.dictValue"
            :label="dict.dictLabel"
            :value="dict.dictValue"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="视频名字" prop="videoName">
        <el-input
          v-model="queryParams.videoName"
          placeholder="请输入视频名字"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['app:video:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['app:video:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['app:video:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['app:video:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="videoList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="序号" type="index" width="50" align="center">
        <template slot-scope="scope">
          <span>{{(queryParams.pageNum - 1) * queryParams.pageSize + scope.$index + 1}}</span>
        </template>
      </el-table-column>
      <el-table-column label="视频分类" align="center" prop="videoType" :formatter="videoTypeFormat" />
      <el-table-column label="视频名字" align="center" prop="videoName" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['app:video:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['app:video:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改视频管理对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="800px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="视频分类" prop="videoType">
          <el-select v-model="form.videoType" placeholder="请选择视频分类">
            <el-option
              v-for="dict in videoTypeOptions"
              :key="dict.dictValue"
              :label="dict.dictLabel"
              :value="dict.dictValue"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="视频名字" prop="videoName">
          <el-input v-model="form.videoName" placeholder="请输入视频名字" />
        </el-form-item>
        <el-form-item label="热度" prop="videoHeat">
          <el-input v-model="form.videoHeat" placeholder="请输入热度" />
        </el-form-item>
<!--        <el-form-item label="视频" v-if="form.videoType != '1'">-->
<!--&lt;!&ndash;          <fileUpload v-model="form.videoUrl"/>&ndash;&gt;-->
<!--        </el-form-item>-->
        <el-form-item label="视频地址" v-if="form.videoType != '1'">
          <el-input v-model="form.videoUrl" placeholder="请输入视频地址" />
        </el-form-item>
        <el-form-item label="略缩图">
          <ImageUpload v-if="form.id" v-model="this.baseUrl + form.videoThumbnailImg"/>
          <ImageUpload v-if="!form.id" v-model="form.videoThumbnailImg"/>
        </el-form-item>
<!--        <el-form-item label="详情页">-->
<!--          <Tinymce v-model="form.details" :min-height="192"/>-->
<!--        </el-form-item>-->
        <el-form-item label="描述" prop="remark">
          <el-input
            type="textarea"
            v-model="form.remark"
            placeholder="请输入描述"
            maxlength="200"
            show-word-limit />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listVideo, getVideo, delVideo, addVideo, updateVideo, exportVideo } from "@/api/app/education";
import FileUpload from '@/components/FileUpload';
import ImageUpload from '@/components/ImageUpload';
import Editor from '@/components/Editor';
import Tinymce from '@/components/Tinymce';

export default {
  name: "Video",
  components: {
    FileUpload,
    ImageUpload,
    Editor,
    Tinymce,
  },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      baseUrl: 'https://youhuiniu.oss-cn-beijing.aliyuncs.com/',
      // 总条数
      total: 0,
      // 视频管理表格数据
      videoList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 视频分类字典
      videoTypeOptions: [],
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        videoUrl: null,
        videoType: null,
        videoName: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        videoType: [
          { required: true, message: "视频分类不能为空", trigger: "change" }
        ],
        videoName: [
          { required: true, message: "视频名字不能为空", trigger: "blur" }
        ],
        videoHeat: [
          { required: true, message: "热度不能为空", trigger: "blur" }
        ],
        details: [
          { required: true, message: "详情页不能为空", trigger: "blur" }
        ],
      }
    };
  },
  created() {
    this.getList();
    this.getDicts("app_education_type").then(response => {
      this.videoTypeOptions = response.data;
    });
  },
  methods: {
    /** 查询视频管理列表 */
    getList() {
      this.loading = true;
      listVideo(this.queryParams).then(response => {
        this.videoList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 视频分类字典翻译
    videoTypeFormat(row, column) {
      return this.selectDictLabel(this.videoTypeOptions, row.videoType);
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        videoUrl: null,
        videoThumbnailImg: null,
        videoHeat: null,
        videoUrlObj: null,
        videoType: null,
        videoName: null,
        details: null,
        delFlag: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null,
        remark: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加在线学习视频信息";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getVideo(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改在线学习视频信息";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.videoUrlObj) {
            this.form.videoUrl = this.form.videoUrlObj.objectID
          }
          if (this.form.id != null) {
            updateVideo(this.form).then(response => {
              this.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addVideo(this.form).then(response => {
              this.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$confirm('是否确认删除该视频?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return delVideo(ids);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        })
    },
    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams;
      this.$confirm('是否确认导出所有视频数据?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return exportVideo(queryParams);
        }).then(response => {
          this.download(response.msg);
        })
    }
  }
};
</script>
